Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
nang noi » nang doc
thuc dan » thuc hanh, hoc dan, thuc vat
sach ky » sac ky, sach y, sach ty
noi hoi » noi doi, doi hoi, hoi hoi
hieu va » hieu qua
anh vai » anh bai, anh van, anh tai
anh va » hanh va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang noi hoi. ((hieu va) OR (lieu va)) am thuc dan ((anh vai) or (anh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang noi hoi. ((hieu va) OR (lieu va)) am thuc dan ((anh vai) OR (anh va)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang noi hoi. ((hieu va) OR (lieu va)) am thuc dan ((anh vai) or (anh va)) cua triet*".